Correcting invalid linker flag for clang on other platforms

CMakeLists.txt

@@ -11,7 +11,13 @@ set(autowiring_VERSION_PATCH 0)
 # Clang needs special additional flags to build with C++11
 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
   message("Clang C++11")
-  set(CMAKE_CXX_FLAGS "-std=c++11 -stdlib=libc++")
+  if (APPLE)
+    # Apple needs us to tell it that we're using libc++, or it will try to use libstdc++ instead
+    set(CMAKE_CXX_FLAGS "-std=c++11 -stdlib=libc++")
+  else()
+    set(CMAKE_CXX_FLAGS "-std=c++11")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lstdc++")
+  endif()
 elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
   message("GCC C++11")
   set(CMAKE_CXX_FLAGS "-std=c++11")